The invention relates to the technical field of earphone
noise reduction, in particular to a self-adaptive
noise reduction and health early warning integrated
system based on auditory meatus physiological characteristics, and adopts the technical scheme that a multi-mode
sensor array is integrated on the inner side of an earphone earplug; distance data in different directions of the auditory meatus and microenvironment data in the auditory meatus are collected, the
contact pressure between an earplug and the auditory meatus wall is detected, the adaptability of a
noise reduction individual is enhanced,
model parameters are updated in modeling logic of the collected data, and the problem of
adaptation failure caused by model fixation is avoided; aNC parameters are subjected to two-dimensional optimization based on the auditory meatus
physiological model and the
environmental noise spectrum, leakage of low-
frequency noise is made up, ear pressure swelling pain is avoided, stimulation of high-pressure signals to the tympanic membrane is reduced, a
frequency response curve is dynamically adjusted on the basis of adaptive parameters of the auditory meatus model, and the
noise reduction effect and comfort level balance are achieved; closed-loop linkage of
ear canal features,
noise reduction parameters and
health states is achieved through a
health risk identification logic and linkage protection measure combined
algorithm, and the problem that health monitoring and
noise reduction linkage is lacked is solved.